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173184 (1998 FQ61)
Classification: Main-belt Asteroid          SPK-ID: 2173184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861811405241713 5.207e-08  
a 2.299290358272998 7.3414e-09 au
q 1.8712058569735 1.1908e-07 au
i 5.483389705732769 4.9959e-06 deg
node 353.4375214045772 4.4246e-05 deg
peri 215.7097708721096 4.5529e-05 deg
M 114.6886349936581 9.5082e-06 deg
tp 2458594.798104099092
(2019-Apr-21.29810410)
3.3357e-05 TDB
period 1273.47127753681
3.49
6.0991e-06
1.67e-08
d
yr
n .2826918881879486 1.3539e-09 deg/d
Q 2.727374859572495 8.7082e-09 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:00:17  

Additional Information
 Earth MOID = .869875 au 
 Jupiter MOID = 2.24885 au 
 T_jup = 3.563 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO433112  

173184 (1998 FQ61)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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